Sandwich-type chemical compounds and method for their preparations

ABSTRACT

NEW COMPOSITIONS OF MATTER HAVING TWO RING NUCLEI COMPOSED OF 6 CARBON ATOMS ESSENTIALLY SUPERIMPOSED IN FIXED PARALLEL PLANES WITH RESPECT TO EACH OTHER AND PROCESS OF PREPARING THE SAME.

United States Patent 3 577 431 SANDWICH-TYPE CHllMfCAL COMPOUNDS AND METHOD FOR THEIR PREPARATIONS Earl Dan Flickinger, El Dorado, and Charles Merlyn US. Cl. 260-326.1 5 Claims ABSTRACT OF THE DISCLOSURE New compositions of matter having two ring nuclei composed of 6 carbon atoms essentially superimposed in fixed parallel planes with respect to each other and process of preparing the same.

This application is a continuation-in-part of our previous copending application Ser. No. 554,651 filed June 2, 1966, and now abandoned.

This invention relates to new compositions of matter and methods of preparing the same.

The principal object of the invention is to prepare new chemical compounds having unique structure. The new compositions of the invention are chemicals having two ring nuclei composed of 6 carbon atoms essentially superimposed in fixed parallel planes with respect to each other. Unlike chain type polymer compounds, the compositions of the invention have a structure which can be characterized as sandwich type with the ring nuclei being essentially superimposed with respect to each other.

The new compositions of the invention are prepared by reacting substantially equal molar quantities of reactant A with reactant B in the presence of a solvent such as, for example, dimethylformamide, tetramethylene sulfone, water, ethanol, carbon tetrachloride and the like. In a preferred embodiment compounds reactive with alcohols or mercaptans are employed in the reaction mixture to assist linking of the reactants. Representative of such linking agents are sodium hydroxide, sodium hydride, potassium hydroxide, sodium diethyl amide, sodium amide and the like. The reaction, depending upon the particular substituents of the reactants, is carried out at temperatures from about 0 to about 200 C., and generally 75 to 150 C.

The reaction scheme for preparation of the new compounds of the invention can be illustrated as follows utilizing reactants having a benzene ring nuclei as illustrative (however the saturation of the ring can vary and saturated 6 carbon member rings can be employed):

Y Y I t z x Reactant A Reactant B 3,577,431 Patented May 4, 1971 ice In the above formulae double bonds are indicated by heavy lines and each of the Reactants A and B can have from 3 to 6 ZY and XY groups respectively with Y: (CH2),

Z=NR SR, OH, (R=H or alkyl of 14 carbon atoms),

W=NR, S, O, NR X' or SR+X- (R=H or alkyl of 14 carbon atoms).

When there are less than 6 ZY or XY groups present in the reactants the other substituents present in the ring nuclei are hydrogen, alkyl, hydroxyl, methoxy, halogens and like substituents which do not interfere with the desired reaction.

As will be apparent from the above, reaction scheme W in certain instances represents ammonium or sulfonium salts. It is Within the scope of the present invention to react three ZY groups with six XY groups to give a reaction product with six connections to one ring nucleus and three connections to the other ring nucleus and to isolate ammonium or sulfonium salts or amines therefrom, in which case the end product will have the formula indicated below with The following examples are illustrative of the present invention:

EXAMPLE I Approximately 7.5 grams of hexaboromethylbenzene (Reactant B) are added to milliliters of the solvent, tetramethylene sulfone. This mixture is heated to a temperature of approximately C. and while maintaining this temperature approximately 3.3 grams of tri-(dimethylaminomethyl)phenol (Reactant A) are added. Heating is continued for 15-20 minutes. The reaction product is End Product (Formula I) recovered by filtering the reaction mixture. The reaction is illustrated by the following scheme:

on CH Br (CH3)2N-CH2 CH2N(CH3)2 BrCH cH Br v BrCH -c1i m- The reaction product is a solid which decomposes at EXAMPLE III temperatures above and is Soluble in Water and In this example a reaction as follows was carried out: insoluble in ethanol.

Analysis.Calculated for C H N OBr AH O (perc1 (:1 cent): C, 41.9; H, 5.5; N, 6.1; Br, 34.9. Found (percent): C, 41.7; H, 6.5; N, 6.2; Br, 32.6. lax-CH 011 B! SHCH CH SH EXAMPLE II c1'- c1 01- 1 Five grams of the reaction product of Example I and CH 213T CHZSH milliliters of triethylamine in 150 milliliters of absolute alcohol were refluxed for 2 hours. Then solvents were 50 Reactant B mutant A evaporated and the residue was washed with water. The molecular weight was determined on the resulting product I having the formula shown below on a vapor pressure o osm meter 3 Ram 3 2 0H N/CHQ 6O CH CH cag:E Jflg lt c In carrying out the reaction depicted above a warm H2 solution (SO- C.) of 1.620 grams of reactant A in 70 milliliters of carbon tetrachloride was filtered and treated C i CH with a solution of 0.8 gram of sodium hydroxide in 1 mil- 2| 2 liliter of water and 20 milliliters of ethanol. A warm solution (SO-70 C.) of 2.342 grams of reactant B dissolved 70 in 50 milliliters of carbon tetrachloride was added and the mixture was refluxed 7 hours. The mixture was separated by filtration and the residue extracted successively with milliliters of carbon tetrachloride and 75 milliliters water.

Calculated for C H N O: M.W. 331. Found: M.W. The residue (1.7 grams) was dried one hour at C. 348. 75 The product did not melt below 300 C.

Analyses.Calculated for C H Cl S Theory (percent): C, 40.22; H, 2.23; CI, 39.66; S, 17.88. Found (percent): C, 38.'99; H, 2.43; Cl, 39.66; S, 16.79.

Reactant B involved in the above synthesis can be prepared by the method of Ross et al. as described in the 6 40 milliliters bromine during seven hours. The mixture was refluxed 15 hours, cooled, and filtered to give 22.1 grams, 2,4,6 tn'bromo 1,3,5 tri(bromomethyl)benzene, melting at 220223 C.

Journal of Organic Chemistry, vol. 25, page 2102, 1960. 5 B ggg'g g f Theory (PercenL): Reactant A can be prepared from reactant B by con- Oun (perceno' verting the latter to a Bunte salt followed by acid hy- A Iruxture of 8.92 grams of 2, b 0m0-' ,5-tr1- drolysis An example of this procedure is as follows: (bromornethyDbenzene, 11.1 grams sodium thiosulfate A mixture of 2.3 grams of compound l3, 3.7 grams of 10 entahydrate, 75 milliliters ethanol and 75 milliliters SOdlLlIIl thiosulfate pentahydrate, 25 m1ll1l1ters Water, and Water was stirred at C for seven hours and then 25 milliliters ethanol was stirred approximately four hours. A homogenous solution was formed during the first two at room temperature for 16 hours. The resultant solution hours. The solution was treated with 5 milliliters concenwas treated Wlth mllhllters concentrated hydl'ochloflc trated hydrochloric acid and the mixture was refluxed 15 acid and this solution was refluxed 1.5 hours. The product one hour. The mixture was cooled and filtered. The prodacta t A, which was obtained by filtration in 4.7 grams uct was recrystallized from ethanol yielding 0.85 gram of yield melted at 200 C reactamA melting at 155 Analysis.Calculated for C H Br S Theory (per- EXAMPLE IV 20 cent): C, 23.86; H, 2.00. Found (percent): C, 23.75; IL In this example a reaction was carried out as follows: 1.98.

Cl Br BrCH B B:- ascn cu s KOH C1 1 Br r CH Br CH SH Reactant B Reactant A ca 0 2 75 3 K31 s o cu c11 Br Br 01 C].

One gram of potassium hydroxide dissolved in 5 milliliters of 70% ethyl alcohol water) was added to 1.51 grams of reactant A dissolved in carbon tetrachloride. This was reacted with 1.54 grams of reactant B dissolved in carbon tetrachloride at -70" C. The reactant mixture was refluxed for 30 minutes. The mixture was separated by filtration and the residue extracted successively with hot carbon tetrachloride and deionized water. The residue was dried one hour at 110 C. One and two-tenth grams of a light yellow solid that did not melt below 300 C. was obtained.

Analysis.Calculated for C H Br Cl S Theory (percent): C, 32.2; H, 1.8; Br, 35.8; C1, 15.9; S, 14.3. Found (percent): C, 31.3; H, 1.97; Br, 35.8; C1, 16.1; S,

Reactant A was obtained as follows:

2,4,6 tribromomesitylene [G. 'F. Hennion et al., J. Amer. Chem. Soc. vol. 68, page 424 (1946) was brominated as follows:

A boiling solution of 63 grams of 2,4,6 tribromomesitylene in 350 milliliters carbon tetrachloride was irradiated with a 200-watt tungsten lamp and treated dIOP WiSG with EXAMPLE V In this example a reaction was carried out as follows:

BrCH 011 31 noon CH Br CH OH CH OH Reactant A Reactant: B

7 In carrying out the above reaction a suspension of 0.55 gram of 51% sodium hydride in mineral oil in 60 milliliters diethylamine was stirred and heated until the sodium hydride had disappeared and a gelatinous precipitate separated. Then 1.01 grams of reactant A and 100 milli- The sandwich structure of the product produced as above described was confirmed by dissolving 12.2 grams of the product in 650 milliliters deionized water. An excess of triethyl amine (38 milliliters) was added and the mixture heated to 75 C. for 40 minutes to remove methyl liters carbon tetrachloride was added. The mixture was bromide. The top layer was extracted with benzene, fildistilled with addition of fresh carbon tetrachloride until tered, evaporated, and dried. The residue was a viscous the boiling point reached 76 C. (727 millimeters). Reliquid. Analyses showed some of the chlorine was reactant B (1. 8 grams) was then added and the mixture placed. was heated 2 /2 hours at 70 76" C. The mixture was Analysisr-Calculated for C I-I N C1O (two chlocooled and filtered. The residue was washed with hot rines replaced with two OH): Theory: MW, 403; C1, deionized water and hot carbon tetrachloride to give a 8.68. Found: MW, 395; C1, 11.33. solid product which did not melt below 300 C. The compositions embraced by this invention have Analysis.Calculated for C H Cl O Theory (pervarious utility. Thus, for example, methyl ammonium cent): 0, 44.2; H, 2.4; 01, 43.6;0, 98. Found (percent): 15 salts can be advantageously p y methylatmg C, 43.76; H, 3.48; Cl, 43.12; 0, 9.92. agents. The sandwic compositions of the present inven- Reactant A was prepared by the method of Ross et al., U011 containing Sulfur, Y a1 1d nitrogm f be Journal of Organic Chemistry, vol. 25, page 2104-1960. vantageously p y In lubncatmg greases o lmpartextreme pressure characteristics thereto. EXAMPLE. VI Those modifications and equivalents which fall within the spirit of the invention and the scope of the appended In this example a reaction was carried out as follows: claims are to be considered part of the invention.

BrCfig H 51 (CH NcB cH (c GH N(CH Reactant B Reactant A OH gall 3:32 Z H ca nr CH CH In carrying out the above reaction 3.0 grams of Reactant B were dissolved in carbon tetrachloride and the solution heated to boiling. To this solution was added 1.7 grams-of Reactant A (commercially available) dissolved in carbon tetrachloride. The reaction mixture was heated at a temperature of 6575 C. for 20 minutes. A white precipitate was formed which was filtered and washed with additional carbon tetrachloride then dried overnight in an oven at a temperature of 90 C. Two and one-tenth grams of product were obtained.

Analysis.-Calculated for C H N Cl Br O; Theory (percent): C, 43.74; H, 4.75; N, 6.66; Br, 25.35; Cl, 16.96. Found (percent): 44.48; 'H, 6.9; N, 6.04; Br, 24.53; Cl,

A reaction similar to the above was conducted at room temperature. Thus, 6.0 grams of compound B were reacted with 3.7 grams of compound A. The product was dried at room temperature; yield, 5. 8 grams.

Found (percent): C, 42.28; H, 6.05; N, 7.26; Br, 22.32; Cl, 14.02.

The chlorine atoms in the product produced above are easily replaced even on standing in air or while heating in an oven.

We claim: 11. A composition of matter having two benzene ring 55 nuclei composed of six carbon atoms superimposed in fixed parallel planes with respect to each other and having the formula wherein Y=CH V=N, NR+X-(R=H or alkyl of 1-4 carbon atoms) X=chlorine, bromine or iodine,

10 and wherein the substituents attached to the carbon 4. A process which comprises reacting in the presence atoms on each ring nuclei notjoined by of a solvent substantially equal molar proportions of a Y compound having the formula ZY- YZ Y linkages being selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms, hydroxyl, methoxy, chlorine, bromine and iodine. 2. A composition of matter having two benzene ring nuclei composed of six carbon atoms essentially superimt a compound having the formula posed in fixed parallel planes with respect to each other X and having the formula: I

XY YX X-Y- Y--X wherein Y=CH 2 R=H or alkyl of 1 to 4 carbon atoms X=chlorine, bromine or iodine,

and wherein the substituents other than X-Y and Z-Y attached to carbon atoms on the ring nuclei be- 3. A composition of matter having two benzene ring 3 Selected from the group Consisting of y g nuclei composes of six carbon atoms essentially superalkyl of 1 to 4 carbon at Y YL y, imposed in fixed parallel planes with respect to each other Chlorine, bIOmlHe F- nd h i h f l 5. A process according to clalm 4 wherein the reaction is carried out at a temperature within the range of from 75 to 150 C.

/CH2 OH References Cited CH UNITED STATES PATENTS c cii: 2,873,281 2/1959 Rosen.

2 40 ALEX MAZEL, Primary Examiner CH J. A. NARCAVAGE, Assistant Examiner 2 CH2 CH2 l U.S. Cl. X.R.

UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 77,4 Dated May 4, 1971 I n fl Earl Dan Flickincer and Charleq Mpfl n Rnpq It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:

Column 2, line 47, "hexaboromethylbenzene" should be -hexabromomethylbenzene-- Column 4, line 45, after the chemical structure for Reactant A,

4 insert an arrow Column 7, line 25, after the chemical structure for Reactant A,

insert an arrow (-9 Column 7, line 65, before "44.48" insert -C-- Signed and sealed this ZL th day of August 1971.

(SEAL) Attest:

EDWARD M.FLETCI-IER,JR. WILLIAM E. SCHUYLER, JR. Attesting Officer Commissioner of Patents FORM PO-IOSO (10-59) .oc 50 7s 

